Table 1.
Crystallographic data collection and refinement statistics
| Data collection | |
| Beamline | SSRL 9-2 |
| Wavelength | 0.97946 Å |
| Space group | P21 |
| Unit cell | a = 64.6 Å |
| b = 63.3 Å | |
| c = 175.6 Å | |
| β = 96.9° | |
| Resolution | 50–2.6 Å |
| R sym | 0.093 (0.821) |
| R pim | 0.044 (0.395) |
| I/σ | 11.86 (1.2) |
| Completeness (%) | 96.8 (96.4) |
| Redundancy | 5.0 (4.9) |
| CC1/2 | 0.908 |
| Refinement | |
| Rcryst (%) | 19.3 |
| Rfree (%) | 25.5 |
| RMS deviation | |
| Bond lengths | 0.011 Å |
| Bond angles | 1.09° |
| Ramachandran | |
| Favored | 86.8% |
| Allowed | 12% |
| Generous | 0.9% |
| Outliers | 0.2% |
| B-factors FrdA | 51 Å2 |
| B-factors SdhE | 96 Å2 |
Values in parentheses are for the highest resolution shell, which contains data from 2.69 to 2.60 Å resolution